Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

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Processing, archiving and distributing Earth science data
at the NASA Langley Research Center

What are the Levels of Data?

  • Level 1: NonScanner data: TSI
  • Level 2: Instantaneous unfiltered satellite footprint data: S-7, S-8
  • Level 3: Monthly Averaged gridded data: S-4, S-4N, S-4G, S-4GN, S-9, S-10, S-10N